Seismic Signal Processing TRIZ Cases
- Seismic Data Filter for Aliasing Attenuation
A seismic data filter removes aliasing artifacts by modeling energy as Gaussian beams and applying midpoint dip constraints.
- Seismic Source Signature Estimation via Sparse Inverse Filtering
Sparse inverse operators extract seismic source wavelets from far-field data, resolving low-frequency inaccuracies in physical models.
- Coherent Noise Reduction in Ultrasonic Wellbore Data
Align acoustic waveforms to main echoes, filter residuals, and subtract tool noise to improve cement evaluation accuracy.
- Seismic Data Noise Attenuation via Multi-Vintage Optimization
Merging time-lapse vintages into a combined dataset eliminates spurious events from individual processing while maintaining accurate 4D subsurface images.
- Seismic Internal Multiple Prediction via PDE Segmentation
Cascaded one-way wave equations predict internal multiples, reducing computational time by factors of 50 to 100 compared to inverse scattering series.
- Seismic Surface Pick Quality Assessment via Wavelet Comparison
A seismic analysis system extracts wavelets from 3D data and compares them to a reference model to generate custom surface attributes.
- Airgun Array Seismic Data Reconstruction via Multi-Frequency Approach
Multi-frequency approach converts time-distributed airgun array data into impulsive seismic signals for accurate processing.
- Prestack Seismic Wave Separation via Anisotropic Rotation
A prestack separating method projects seismic waves into a Z-R-T coordinate system to generate an anisotropic wave vector matrix for accurate separation.
- Seismic Horizon Uncertainty from Multiple Seed Depths
A seismic horizon generation system combines candidate depths from multiple seeds to produce a representative subsurface model.
- Machine Learning Noise Removal in Distributed Acoustic Sensing Seismic Data
Generative adversarial networks eliminate coupling noise from distributed acoustic sensing seismic records.
- Seismic Signal Noise Attenuation via Adaptive Subband Decomposition
Decomposes seismic signals into frequency subbands to apply adaptive noise attenuation, preserving weak low-frequency data.
- Horizon Volume Mapping for Deposition Rate Analysis
Automated horizon volume mapping replaces manual analysis to resolve low-resolution deposition rate data in subsurface volumes.
- Seismic Imaging via Structure Tensor Regularization
Iterative inversion with structure tensors attenuates migration noise while preserving geological structures in complex velocity variations.
- Marine Seismic Streamer Deghosting via Complex Laplace Transform
Complex Laplace frequency parameter transforms marine seismic data to stabilize processing across the full bandwidth.
- Seismic Tomography for Anisotropic Velocity Estimation
Iterative tomographic inversion estimates interval velocities and anisotropy parameters to correct positioning errors caused by ignoring subsurface anisotropy.
- Horizontal Stress Estimation via Elastic-Plastic Integration
Calculates horizontal stresses by merging elastic and plastic models, resolving accuracy errors in faulted reservoirs.
- Seismic Surface Quality Assessment via Wavelet Cross-Correlation
Automated wavelet extraction and cross-correlation replace manual interpretation, resolving inconsistency in seismic surface quality assessment.
- Segment Dynamic Image Warping for Seismic Velocity Model Refinement
Segment dynamic image warping estimates time shifts between predicted and acquired seismic data, reducing computation cost in complex geological settings.
- Seismic Well Integrity Testing for Deformation and Leakage
Active seismic signals traverse the wellbore to reveal deformation, leakage, and cement voids that acoustic logs miss.